MSISAtmosphereModel.h

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/*
MSIS Atmosphere Model header file
 
Author: Alex Reynolds
*/
/*
Metadata for MS GUI:
imdata = {"exclude" : True}
*/
 
#ifndef MODELS_ENVIRONMENT_MSIS_ATMOSPHERE_MODEL
#define MODELS_ENVIRONMENT_MSIS_ATMOSPHERE_MODEL
 
#include "simulation/Model.h"
#include "msis/nrlmsise-00.h"
 
namespace warptwin {

    MODEL(MSISAtmosphereModel)
    public:
        // Model params
        //         NAME                     TYPE                    DEFAULT VALUE
        START_PARAMS
            SIGNAL(solar_flux_81d_avg,      double,                 150.0)
            SIGNAL(solar_flux_day,          double,                 150.0)
            SIGNAL(daily_ap,                double,                 10.0)
            SIGNAL(R_idealgas_kJ_kg_K,      double,                 286.0)
        END_PARAMS
 
        // Model inputs
        //         NAME                     TYPE                    DEFAULT VALUE
        START_INPUTS
            SIGNAL(lat_rad,                 double,                 0.0)
            SIGNAL(lon_rad,                 double,                 0.0)
            SIGNAL(alt_m,                   double,                 0.0)
            SIGNAL(day,                     int,                    1)
            SIGNAL(utsec,                   double,                 0.0)
        END_INPUTS
 
        // Model outputs
        //         NAME                     TYPE                    DEFAULT VALUE
        START_OUTPUTS
            SIGNAL(density_kg_m3,           double,                 0.0)
            SIGNAL(temperature_K,           double,                 0.0)
            SIGNAL(pressure_ideal_N_m2,     double,                 0.0)
        END_OUTPUTS 
        
        void delayCalcSteps(unsigned int num_steps) {_start_run = num_steps;}
    protected:
        int16 start() override;
        int16 execute() override;

        int _msisCheckInputs();
 
        // Flag, input, output MSIS parameters specified per nrlmsise-00.h.
        // Used to interact with the actual MSIS model.
        nrlmsise_flags _flags;
        nrlmsise_input _input;
        nrlmsise_output _output;
 
        unsigned int _step_counter = 0;
        unsigned int _start_run = 0;
    };
}
 
#endif